Ionia Weather Forecast

    • 17
    • 23

    Chance Snow Showers

    • 19
    • 28

    Mostly Cloudy

    • 12
    • 30

    Snow Showers Likely

    • 13
    • 22

    Chance Snow Showers

    • 16
    • 24

    Chance Snow Showers

    • 19
    • 28

    Mostly Cloudy

Today 11 Dec Ontario

Mostly cloudy with a 50 percent chance of snow Showers. Cold with Highs Ranging from 15 to 20 on the Hilltops to the mid 20s across the lower Elevations. West Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 11 Dec Ontario

Mostly cloudy with a 50 percent chance of snow Showers. Lows 15 to 20. West Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, Diminishing to 5 to 10 Mph.

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Ionia Temperature Statistics

December Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 8 December, 2025

    3.9 °F

  • Average December

    23.8 °F

  • Highest 3 December, 2025

    34 °F

Climate (2020–Present)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.5 °F
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